Home / 134,979.40-186,292.27-83,326.58

Finding the Fourth Proportional to 134,979.40, 186,292.27 and 83,326.58

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Solution

The fourth proportional to 134,979.40, 186,292.27 and 83,326.58 is: 115,003.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,979.40 : 186,292.27 = 83,326.58 : x
  2. Step 2: Convert to fraction form
    134,979.40/186,292.27 = 83,326.58/x
  3. Step 3: Cross multiply
    134,979.40x = 186,292.27 × 83,326.58
  4. Step 4: Simplify right side
    134,979.40x = 15,523,097,739.54
  5. Step 5: Solve for x
    x = 15,523,097,739.54/134,979.40
  6. Step 6: Final answer
    x = 115,003.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.